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In explaining the watery solution of sugar, it has been stated that the 1_______ of such solutions divides the sugar into particles, called 2_______, so small that they cannot be seen with the naked eye. These molecules are distinguished by the great speed at which they 3________. Molecules, which are found in all substances, travel fastest in gases, less rapidly in 4_______, and very slowly in solids.
water
molecules
travel
liquids